{"id":"vidhyamitra:city-day:pune:1997-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/pune/1997-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-01","date_display":"February 1, 1997 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450480.770833,"kali_year":5098,"ahargana":1862015.2708,"sun":{"sidereal_longitude":288.4297,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":204.7145,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.2848,"elapsed_within_tithi_degrees":0.2848},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.7145,"elapsed_within_degrees":4.7145},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":133.1442},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1997,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450480.770833,"ahargana":1862015.2708,"kali_year":5098,"ayanamsa_lahiri":23.8123,"grahas":{"sun":{"sidereal_longitude":288.40397200000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":200.98607200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":3.0813},"mars":{"sidereal_longitude":161.90907200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":265.01357200000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":278.687272,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":273.57657199999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":339.786772,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":161.4703,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.4703,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450480.770833,"kali_year":5098,"ahargana":1862015.2708,"sun":{"sidereal_longitude":288.4297,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":204.7145,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.2848,"elapsed_within_tithi_degrees":0.2848},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.7145,"elapsed_within_degrees":4.7145},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":133.1442},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.081,"elongation":83.715},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.081,"opposition_distance":96.285}},"eclipse_window_40days":[]},"city":{"slug":"pune","name":"Pune, Maharashtra","lat":18.5204,"lon":73.8567,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"mega","elevation_m":560},"tier2":{"city":{"slug":"pune","name":"Pune, Maharashtra","lat":18.5204,"lon":73.8567,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"mega","elevation_m":560},"sunriseLocal":"07:08","sunsetLocal":"18:28","solarNoonLocal":"12:48","dayLengthHours":11.332882101980726,"dayLengthDisplay":"11 Hours 19 Mins 58 Secs","nightLengthDisplay":"12 Hours 40 Mins 02 Secs","moonriseLocal":"01:18","moonsetLocal":"12:39","rahuKala":{"name":"Rāhu Kāla","start":"09:58","end":"11:23","startHours":9.971155276461413,"endHours":11.387765539209003,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:13","end":"15:38","startHours":14.220986064704185,"endHours":15.637596327451774,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:08","end":"08:33","startHours":7.137934750966231,"endHours":8.554545013713822,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:10","startHours":9.782273908095068,"endHours":10.160036644827757,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:55","startHours":7.610138171882094,"endHours":7.912348361268247,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:26","end":"13:11","startHours":12.426613065223902,"endHours":13.182138538689285,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:23","startHours":5.626883804035468,"endHours":6.382409277500849,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:08","startHours":6.193527909134504,"endHours":7.137934750966231,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:27","startHours":14.693189485620048,"endHours":15.448714959085429,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.270816852946957,"endHours":18.670816852946956,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:57","startHours":18.470816852946957,"endHours":18.94302027386282,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.220816852946957,"endHours":19.970816852946957,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:26","end":"01:11","startHours":24.426613065223904,"endHours":25.182138538689287,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:08","end":"08:33","startHours":7.137934750966231,"endHours":8.554545013713822,"quality":"inauspicious"},{"name":"Śubha","start":"08:33","end":"09:58","startHours":8.554545013713822,"endHours":9.971155276461413,"quality":"auspicious"},{"name":"Roga","start":"09:58","end":"11:23","startHours":9.971155276461413,"endHours":11.387765539209003,"quality":"inauspicious"},{"name":"Udveg","start":"11:23","end":"12:48","startHours":11.387765539209003,"endHours":12.804375801956594,"quality":"inauspicious"},{"name":"Chala","start":"12:48","end":"14:13","startHours":12.804375801956594,"endHours":14.220986064704185,"quality":"neutral"},{"name":"Labha","start":"14:13","end":"15:38","startHours":14.220986064704185,"endHours":15.637596327451774,"quality":"auspicious"},{"name":"Amṛta","start":"15:38","end":"17:03","startHours":15.637596327451774,"endHours":17.054206590199364,"quality":"auspicious"},{"name":"Kāla","start":"17:03","end":"18:28","startHours":17.054206590199364,"endHours":18.470816852946957,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:28","end":"20:03","startHours":18.470816852946957,"endHours":20.054206590199367,"quality":"auspicious"},{"name":"Amṛta","start":"20:03","end":"21:38","startHours":20.054206590199367,"endHours":21.637596327451774,"quality":"auspicious"},{"name":"Kāla","start":"21:38","end":"23:13","startHours":21.637596327451774,"endHours":23.220986064704185,"quality":"inauspicious"},{"name":"Śubha","start":"23:13","end":"00:48","startHours":23.220986064704185,"endHours":24.804375801956596,"quality":"auspicious"},{"name":"Roga","start":"00:48","end":"02:23","startHours":24.804375801956596,"endHours":26.387765539209003,"quality":"inauspicious"},{"name":"Udveg","start":"02:23","end":"03:58","startHours":26.387765539209003,"endHours":27.971155276461413,"quality":"inauspicious"},{"name":"Chala","start":"03:58","end":"05:33","startHours":27.971155276461413,"endHours":29.55454501371382,"quality":"neutral"},{"name":"Labha","start":"05:33","end":"07:08","startHours":29.55454501371382,"endHours":31.13793475096623,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.137934750966231,"endHours":8.137934750966231,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.137934750966231,"endHours":9.137934750966231,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.137934750966231,"endHours":10.137934750966231,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.137934750966231,"endHours":11.137934750966231,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.137934750966231,"endHours":12.137934750966231,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.137934750966231,"endHours":13.137934750966231,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.137934750966231,"endHours":14.137934750966231,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.137934750966231,"endHours":15.137934750966231,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.137934750966231,"endHours":16.13793475096623,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.13793475096623,"endHours":17.13793475096623,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.13793475096623,"endHours":18.13793475096623,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.13793475096623,"endHours":19.13793475096623,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.13793475096623,"endHours":20.13793475096623,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.13793475096623,"endHours":21.13793475096623,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.13793475096623,"endHours":22.13793475096623,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.13793475096623,"endHours":23.13793475096623,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.13793475096623,"endHours":24.13793475096623,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.13793475096623,"endHours":25.13793475096623,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.13793475096623,"endHours":26.13793475096623,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.13793475096623,"endHours":27.13793475096623,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.13793475096623,"endHours":28.13793475096623,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.13793475096623,"endHours":29.13793475096623,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.13793475096623,"endHours":30.13793475096623,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.13793475096623,"endHours":31.13793475096623,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.131523571280432,"eotMinutes":-13.689348117395623,"ayanamsa":23.8123}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"pune"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 1, 1997 CE · Pune, Maharashtra · Vidhyamitra","description":"February 1, 1997 CE for Pune, Maharashtra: Kṛṣṇa Navamī, sūryodaya 07:08, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/pune/1997-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/pune/1997-02-01","sa":"https://sa.vidhyamitra.com/city/pune/1997-02-01","hi":"https://hi.vidhyamitra.com/city/pune/1997-02-01","x-default":"https://vidhyamitra.com/city/pune/1997-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:39:45.347Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T20:39:45.347Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:39:45.347Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}